20116725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{743}}^1$

素因数の和:794

約数の個数: 36

約数和(自身を含む): 35149536

約数和(自身を除く): 15032811

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 361, 475, 743, 1083, 1425, 1805, 2229, 3715, 5415, 9025, 11145, 14117, 18575, 27075, 42351, 55725, 70585, 211755, 268223, 352925, 804669, 1058775, 1341115, 4023345, 6705575, 20116725]

約数ペア:

[(1, 20116725), (3, 6705575), (5, 4023345), (15, 1341115), (19, 1058775), (25, 804669), (57, 352925), (75, 268223), (95, 211755), (285, 70585), (361, 55725), (475, 42351), (743, 27075), (1083, 18575), (1425, 14117), (1805, 11145), (2229, 9025), (3715, 5415)]